OpenTechnical

OT-2026-000055813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055813) never changes.

Identity and time

Publication numberOT-2026-000055813 · never reused
Internal UUID01a0ae87-0a49-711c-9e10-e8413e268c8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055813
StatusPUBLIC

Content hashes

Canonical text4a55975f03270044d4460d7988db2c10de9682a5a88e7c9dd3cb4f10e917288e
Markdownbc4112e49b094de3afb5c42139102f3b82102424c4fa96ed4cdb9914f0c0bfe0
PDF
Publication page99bff693dac0ae22625f86fe5fd91c7a267e62d4c13482e582df1447c58b07a7
Manifest101e7dc145a72b80a71ca36b7686d9dbc2d2ceca58098ac613b595c49386f445

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturer8W98lLtKcJ2w4ROvFpvHuLfOII8WgLSLK2vMWhZ4ZOFnNzaH/D6o8wdHrgFZAFtCm1vR2Ekcp0ri7eilczzDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:11.640828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055813
observed 99bff693dac0ae22625f86fe5fd91c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.622987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055813/manifest.json
observed 101e7dc145a72b80a71ca36b7686d9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.604763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055813/publication.md
observed bc4112e49b094de3afb5c42139102f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.587975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055813/publication.txt
observed 4a55975f03270044d4460d7988db2c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.